Marshall, R. C., & Marx, L. M. (2012). The economics of collusion: Cartels and bidding rings (1a. ed.). MIT.
Cita Chicago (17th ed.)Marshall, Robert C., i Leslie M. Marx. The Economics of Collusion: Cartels and Bidding Rings. 1a. ed. Cambridge: MIT, 2012.
Cita MLA (9th ed.)Marshall, Robert C., i Leslie M. Marx. The Economics of Collusion: Cartels and Bidding Rings. 1a. ed. MIT, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.